<!DOCTYPE html>
<html lang="en">

<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Document</title>
    <style>
        * {
            margin: 0px;
            padding: 0px;
            font-size: 18px;
            text-align: center;
        }

        .f {
            width: 1000px;
            background-color: pink;
            margin: auto;
        }

        .head_menu {
            width: 980px;
            height: 100px;
            background-color: goldenrod;
            margin-left: 10px;
            line-height: 100px;
            margin-top: 10px;
        }

        .body_text {
            width: 980px;
            margin: 10px;
            overflow: hidden;
        }

        .left{
            width: 200px;
            background-color: blanchedalmond;
            height: 490px;
            float: left;
            line-height: 500px;
            margin-bottom: 10px;
            margin-right: 10px;
        }

        .right{
            width: 760px;
            height: 490px;
            background-color: cadetblue;
            float: right;
            margin-bottom: 10px;
            margin-left: 10px;
        }

        .text1{
            width: 360px;
            height: 470px;
            float: left;
            background-color: #fff;
            margin: 10px;
            line-height: 480px;
        }

         .text2{
            width: 360px;
            height: 470px;
            float: left;
            background-color:rebeccapurple;
            margin: 10px;
            line-height: 480px;
        }
    </style>
</head>

<body>
    <div class="f">
        <div class="head_menu">菜单栏</div>
        <div class="body_text">
            <div class="left">侧边栏</div>
            <div class="right">
                <div class="text1">内容1</div>
                <div class="text2">内容2</div>
            </div>
        </div>
    </div>
</body>

</html>